BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  XP Carriage return          BorlandTalk.com Forum Index -> comp.lang.pascal.delphi.misc View previous topic :: View next topic   Author Message Hans J. Klarskov Mortense Guest Posted: Sat Dec 13, 2003 9:46 pm    Post subject: XP Carriage return A wierd problem: On one machine running Win XP the memo-controls will not accept a CR/LF entered from the keybord. Lines added programatically by eg with memo1.lines. do begin add('Blalalald'); ..... add('More blablabla'); appear as one long line and instead of CR/LF I get black squares. It works perfectly on WinMe/98 - and one other XP-machine. I use Delphi 5 pro. No problem with TRichEdit controls. It sounds stupid, I know - but it is nevertheless a problem. Any help would be greatly appreciated. Hans J. Klarskov Mortensen Back to top AlanGLLoyd Guest Posted: Sun Dec 14, 2003 11:44 am    Post subject: Re: XP Carriage return In article <7eadf3c9.0312131346.49e1cfde (AT) posting (DOT) google.com>, [email]km (AT) vordingbg-gym (DOT) dk[/email] (Hans J. Klarskov Mortensen) writes: Quote: A wierd problem: On one machine running Win XP the memo-controls will not accept a CR/LF entered from the keybord. Lines added programatically by eg Have you tried another keyboard - sounds like it may be sending LF/CR. Alternatively copy (or stream, but _don't_ use Memo1.Lines.SaveToStream) Memo1.Lines.Text to a file (after inputting a few lines with funny line breaks) and check the content of the file using DEBUG in a Dos window for "0C 0A" pairs (correct) and not "0A 0C". Alan Lloyd [email]alanglloyd (AT) aol (DOT) com[/email] Back to top AlanGLLoyd Guest Posted: Sun Dec 14, 2003 12:26 pm    Post subject: Re: XP Carriage return In article <20031214064434.00545.00002920 (AT) mb-m02 (DOT) aol.com>, [email]alanglloyd (AT) aol (DOT) com[/email] (AlanGLLoyd) writes: Quote: and check the content of the file using DEBUG in a Dos window for "0C 0A" pairs (correct) and not "0A 0C". Whooopps ....and check the content of the file using DEBUG in a Dos window for "0D 0A" pairs (correct) and not "0A 0D". Alan Lloyd [email]alanglloyd (AT) aol (DOT) com[/email] Back to top Tom de Neef Guest Posted: Sun Dec 14, 2003 9:25 pm    Post subject: Re: XP Carriage return "Hans J. Klarskov Mortensen" <km (AT) vordingbg-gym (DOT) dk> wrote Quote: A wierd problem: On one machine running Win XP the memo-controls will not accept a CR/LF entered from the keybord. Lines added programatically by eg with memo1.lines. do begin add('Blalalald'); .... add('More blablabla'); appear as one long line and instead of CR/LF I get black squares. It works perfectly on WinMe/98 - and one other XP-machine. I use Delphi 5 pro. No problem with TRichEdit controls. It sounds stupid, I know - but it is nevertheless a problem. Any help would be greatly appreciated. Hans J. Klarskov Mortensen What's in the black squares? Can you retrieve the byte values ? Tom Back to top Hans J. Klarskov Mortense Guest Posted: Mon Dec 15, 2003 3:42 pm    Post subject: Re: XP Carriage return "Tom de Neef" <tdeneef (AT) qolor (DOT) nl> wrote Quote: "Hans J. Klarskov Mortensen" <km (AT) vordingbg-gym (DOT) dk> wrote in message news:7eadf3c9.0312131346.49e1cfde (AT) posting (DOT) google.com... A wierd problem: On one machine running Win XP the memo-controls will not accept a CR/LF entered from the keybord. Lines added programatically by eg with memo1.lines. do begin add('Blalalald'); .... add('More blablabla'); appear as one long line and instead of CR/LF I get black squares. It works perfectly on WinMe/98 - and one other XP-machine. I use Delphi 5 pro. No problem with TRichEdit controls. It sounds stupid, I know - but it is nevertheless a problem. Any help would be greatly appreciated. Hans J. Klarskov Mortensen What's in the black squares? Can you retrieve the byte values ? Tom As far as I can see the "squares" are in fact OD OAs! However, I have decided to skip the memo control altogether. In the end it turned out to be easier than debugging this phenomenon on somebody else's machine. But the problem has not disappeared - only been worked-around. Thanks for your interest! Hans J. Klarskov Mortensen Back to top Hans J. Klarskov Mortense Guest Posted: Mon Dec 15, 2003 4:11 pm    Post subject: Re: XP Carriage return [email]alanglloyd (AT) aol (DOT) com[/email] (AlanGLLoyd) wrote in message news:<20031214064434.00545.00002920 (AT) mb-m02 (DOT) aol.com>... Quote: In article <7eadf3c9.0312131346.49e1cfde (AT) posting (DOT) google.com>, [email]km (AT) vordingbg-gym (DOT) dk[/email] (Hans J. Klarskov Mortensen) writes: A wierd problem: On one machine running Win XP the memo-controls will not accept a CR/LF entered from the keybord. Lines added programatically by eg Have you tried another keyboard - sounds like it may be sending LF/CR. Actually I have. Oddly enough it not only solved the problem with text entered via the keybord, it also solved the problem with odd characters entered programatically. I have no idea whatsoever as to the cause of this - especially since it seems that it was 0D 0As! But then again, nobody has promised us that computing is a rational undertaking. Thanks. Hans J. Klarskov Mortensen Back to top Bruce Roberts Guest Posted: Mon Dec 15, 2003 5:07 pm    Post subject: Re: XP Carriage return "Hans J. Klarskov Mortensen" <km (AT) vordingbg-gym (DOT) dk> wrote Quote: Actually I have. Oddly enough it not only solved the problem with text entered via the keybord, it also solved the problem with odd characters entered programatically. I have no idea whatsoever as to the cause of this - especially since it seems that it was 0D 0As! But then again, nobody has promised us that computing is a rational undertaking. Thanks. When hardware goes bad there is no way to account for the results. I've seen several keyboards act up in strange ways. Too bad they are not designed to simply stop sending data when they fail. Back to top AlanGLLoyd Guest Posted: Mon Dec 15, 2003 7:17 pm    Post subject: Re: XP Carriage return In article <7eadf3c9.0312150811.75debc73 (AT) posting (DOT) google.com>, [email]km (AT) vordingbg-gym (DOT) dk[/email] (Hans J. Klarskov Mortensen) writes: Quote: Actually I have. Oddly enough it not only solved the problem with text entered via the keybord, it also solved the problem with odd characters entered programatically. I have no idea whatsoever as to the cause of this - especially since it seems that it was 0D 0As! But then again, nobody has promised us that computing is a rational undertaking. Thanks. Intuition and the aged crystal ball wins again <gg> I wished you'd put the text in a file as I suggested so that one could be sure what the keyboard was putting in - I'm always intensely curious about these "odd" affairs and don't like irrational, un-explained, and un-scientific experiences. Maybe the keyboard had an odd descriptor for its plug-and-play, which caused the wrong driver to be loaded by Win XP. Then when you changed the keyboard, the correct driver was loaded. Alan Lloyd [email]alanglloyd (AT) aol (DOT) com[/email] Back to top Henry Bartlett Guest Posted: Mon Dec 15, 2003 10:03 pm    Post subject: Re: XP Carriage return Replying to Hans J. Klarskov Mortensen since I cannot see his post on this news server and I cannot post on the one I see it on. Your problem sounds to me as though you are running out of memory on this machine. In Win 9X, you see these symptoms when the you are nearing the maximum capacity of the memo. What is your Memo's Capacity and how much text do you have in it? -- Henry Bartlett Back to top Maarten Wiltink Guest Posted: Tue Dec 16, 2003 10:07 pm    Post subject: Re: XP Carriage return "AlanGLLoyd" <alanglloyd (AT) aol (DOT) com> wrote Quote: In article <7eadf3c9.0312131346.49e1cfde (AT) posting (DOT) google.com>, [email]km (AT) vordingbg-gym (DOT) dk[/email] (Hans J. Klarskov Mortensen) writes: A wierd problem: On one machine running Win XP the memo-controls will not accept a CR/LF entered from the keybord. Lines added programatically by eg Have you tried another keyboard - sounds like it may be sending LF/CR. Alternatively copy (or stream, but _don't_ use Memo1.Lines.SaveToStream) Memo1.Lines.Text to a file (after inputting a few lines with funny line breaks) and check the content of the file using DEBUG in a Dos window for "0C 0A" pairs (correct) and not "0A 0C". That would be FF-CR. (Formfeed, not $ff.) Groetjes, Maarten Wiltink Back to top Bruce Roberts Guest Posted: Tue Dec 16, 2003 10:47 pm    Post subject: Re: XP Carriage return "Maarten Wiltink" <maarten (AT) kittensandcats (DOT) net> wrote Quote: That would be FF-CR. (Formfeed, not $ff.) These characters are defined in ASCII and were based on the teletype which was often used at the time as a terminal/printer. Other ASCII characters < $20 were designed for communications with serial (and other) devices. LF - line feed - $0a - move print carriage up 1 line CR - carriage return - $0d - move print head left to the beginning of the line FF - form feed - $0c - move print carriage up to top of next page Back to top Hans J. Klarskov Mortense Guest Posted: Wed Dec 17, 2003 8:19 am    Post subject: Re: XP Carriage return Quote: Your problem sounds to me as though you are running out of memory on this machine. In Win 9X, you see these symptoms when the you are nearing the maximum capacity of the memo. What is your Memo's Capacity and how much text do you have in it? I do not think it is/was a memory problem. The memo capacity is Delphi's default value, and the problem occurred with as little as 2 words in the memo - and it never exceeded some 1500 words. Hans J. 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